.head{
	width: 100%;
	height: 45px;
	background-color: orange;
	position: fixed;
	top: 0;
	
}


body{
	background-color: lightcyan;
	
}

.main{
	margin-top: 45px;
	width: 100%;
	height: 40rem;
	background: url(../img/334.png) no-repeat;
	background-size: 100%;
	font-size: 4rem;
}

.footer{
	width: 100%;
	height: 45px;
	background-color: #2AC845;
	position: fixed;
	bottom: 0;
	display: flex;
	justify-content: space-around;
	flex-direction: row;
}